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check engine code PO442 what does it mean???

Vehicle: chevrolet 2004 sub 5.3 cyl.

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It means that there is an small leak on the EVAP ssystem.

P0442 Chevrolet - Evaporative Emission Control System Leak Detected Small Leak

Read more: https://www.autocodes.com/p0442_chevrolet.html

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